Why is every laptop company trying to copy the mac book air if its such a failure. Did it actually lose money? (I honestly don't know). But I do know the Mac Bo

Why is every laptop company trying to copy the mac book air if its such a failure. Did it actually lose money? (I honestly don't know). But I do know the Mac Book Air is a great laptop (well not the one that over heated :) If I had the money I would buy a Mac Book air in a second. I think PG mentioned he owns one, so they must be great :)